Bash is a free shell for Unix-like operating systems from the GNU Project.

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4
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205 views

How to disable alternate buffer in GNU screen itself but not for vim, less inside it?

What I would like to accomplish is mouse wheel scrolling behavior that I'm used to in a regular ssh session. In bash prompt mouse wheel should scroll my terminal output, and inside less/vim - the ...
3
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478 views

Local echo using Screen to connect to a serial terminal

Reading through the book "Building Wireless Sensor Networks" I learned that you can use the Screen utility to attach to a serial console. I tried using it to connect to an XBee module and it seemed ...
3
votes
0answers
90 views

scp doesn't work when my .bashrc is echoing to console

Ok, so I have used linux for a long time but this is the weirdest thing I have encountered in a long time. Maybe I just don't do a lot of scp so probably missing something simple here. So in my ...
3
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0answers
255 views

bash column command confused by ANSI color escapes

I have a bash script I got from Gary Bernhardt's dotfiles that prints a nice colorized listing of the recent git commits. It uses the column command to line the output up into columns. On my mac, it ...
3
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0answers
224 views

Problems with bash script, mysql inserts and launchd

I am developing a automated system, which consists of 3 parts: mysql, bash and launchd. Bash script takes folders of work related stuff, zips, archives and puts info about them into database that is ...
3
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0answers
363 views

Process ANSI escape codes before piping

I'm trying to pipe the output of a script (Mocha) to another script. However there is one problem: Mocha generates quite a few ansi escape characters to update the screen on the fly. These characters ...
2
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0answers
19 views

Can one start shell from save file dialog

Using ubuntu. If one tries to print to a file, the save dialog opens. Is there a way one can execute the shell (or terminal) from the save file dialog file name entry box?
2
votes
0answers
88 views

Enter a Failed Docker Container with a Different Command

I have a fairly complicated docker container I'm attempting to build. As part of the build process I have I install Chef and have Chef install a number of cookbooks using Chef-Solo. I am having the ...
2
votes
0answers
41 views

Can't resume editor running as root

For years, when I have been working over an SSH connection, I will run sudo vi ... to edit a config file. If I need to do something on the command-line, I'll hit Ctrl+Z to suspend the editor, do ...
2
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0answers
21 views

Auto find file parameter in bash

I've been trying to construct a method for bash to auto complete a file argument. so when you type vi not[tab][tab] it auto completes to notes.md if it is within the history or path or gives a list of ...
2
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0answers
304 views

open file from Cloud9's terminal (bash) in its IDE

What command would open a file in the default editor of Cloud9's IDE from within its own terminal bash shell? I tried xdg-open and gnome-open but those opens in emacs.
2
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138 views

Cannot Stat Error When Copying From Android Phone to Ubuntu 13.10

I am trying to move a video file from my phone to my harddrive via a script and am running into trouble with permissions. I am using the following command: sudo cp ...
2
votes
0answers
198 views

Restore Launchpad DB from Backup using Bash/Terminal?

Context: I'm using an OSX shell script to update my settings system-wide after a fresh OS install. One snag I've ran into is restoring Launchpad. I have my launchpad DB backed up via GoogleDrive at: ...
2
votes
0answers
237 views

stdbuf not working while unbuffer does

I am trying to apply timestamps to stdout of a process. For the proper timestamps to be applied, I attempt to unbuffer stdout of the process. This works with unbuffer but not with stdbuf as I would ...
2
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0answers
56 views

How can I get bash to perform case insensitive tab-completion for my aliases and functions?

I have a alias like this: alias sshUntrusted='ssh -X -C -c blowfish-cbc,arcfour' when I type: $ sshun bash does not complete this alias I have put set completion-ignore-case on #ignore case ...
2
votes
0answers
189 views

Can I reverse the stream direction of my terminal?

I'm not sure on how to word this question any other way but that's it. Is it possible to reverse the way your terminal prints text? For example if I type a command, I type it from the bottom of the ...
2
votes
0answers
105 views

Trying to bind <ESC> to keysequence “öö” in bash vi mode

I am trying to use the german umlaut "ö" in a sequence "öö" as a binding for ESC. Having the following in my .inputrc does the job with "jj" instead of "öö"; however, when changing "jj" to "öö", it ...
2
votes
0answers
72 views

SoX fails to concatenate *some* newly generated aiff files

I have a Python script that is using Mac OS X's built in speech synthesis API to create aiff files of some processed text via PyObjC/AppKit. Everything is working fine, but I can't get the aiff files ...
2
votes
0answers
210 views

rsync: large exclusion list adding 10 hours to sync

I have had an rsync backup script running on a Centos 6 box that has been syncing ~410gb of data from a local (LAN) server over a gigabit connection. This script runs hourly, and if there are no new ...
2
votes
0answers
369 views

Why does this line appear every time I launch iTerm on my MacBook?

So I use iTerm on my MacBook Air and also my MacBook Pro. I've been playing around with .bashrc and .bash_profile and trying to come up with clever ways to configure things. At one point I decided I ...
2
votes
0answers
467 views

How to mount SMB share from terminal using keychain?

I need to be able mount a SMB share from terminal, for MAC OS versions (10.7). Is there a way to use mount_smbfs with keychain so I don't get prompt the username/password or have to add it to the ...
2
votes
0answers
110 views

sudo: preserve non-std file descriptors

Long story short: why isn't this (simplified) sample working? root:# sudo -C 3 -u regular-user cat /dev/fd/3 3< /var/log/syslog cat: /dev/fd/3: No Such file or directory There is a file that ...
2
votes
0answers
1k views

Grub: Legacy 'ask' parameter no longer supported

I'm trying to change the resolution on my base shell (the Ctrl+Alt+1) shell in Debian so that it supports my ViewSonic monitor. The shell appears really fuzzy when it is displayed on my lcd monitor, ...
2
votes
0answers
209 views

Branch names not showing in Mercurial's tab completion

I have a development machine running mercurial 1.6.3. Tab completion in bash works great for completing commands, tags and branch names. I've set up a new machine with the same mercurial version (both ...
1
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0answers
28 views

Linux: Finding Processes I Started To Kill Them

I am programmatically starting several servers in Gnome terminal with each server in its own titled tab: gnome-terminal \ --tab -t "Server1" -e 'bash -c "export ...
1
vote
0answers
21 views

Stop automatic comments in my crontab

I have added the bellow cron jobs in my crontab : 0 5 * * * /bin/systemctl restart gb_subagent.service 28 13 * * * /home/comment.sh &>/tmp/errorcron.log 29 13 * * * bash ...
1
vote
0answers
55 views

Send keystrokes to two windows at once

What I want to do: Be able to enter keystrokes while one program is in focus, but also send the same keystrokes to a second program on the other screen. What I have tried: xvkbd - I've tried ...
1
vote
0answers
43 views

cp: cannot stat error - when filename has Asian characters

I am simply trying to copy files using cp -r /home/user/source/ /home/user/destination/ but it throws me the cp: cannot stat /source/filename.xxx error for some of the files. When I searched for this ...
1
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0answers
22 views

monitor command outputs in separate windows within a terminal

For a list of input text, I want to execute a repetitive command using each element from the list. In addition I also need to monitor the results of each of these commands in parallel. So I am looking ...
1
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0answers
25 views

How to show git branch in Emacs shell

How can I show the current git branch as part of the Emacs shell prompt? For example, I have this in my ~/.bash_profile (I'm on Mac OSX 10.9 Terminal): parse_git_branch() { git branch 2> ...
1
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0answers
30 views

Can I have server and client on the same machine and run network bandwidth test using iperf?

I have two ethernet ports (eth0 and eth1) on my system. I've tested the bandwidth with two systems and got ~940Mbit/s. If I use one of the ports as server and the other as client, I always go through ...
1
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0answers
44 views

Cygwin and Cygwin64 missing prompt in terminal

I tried to install and reinstall cygwin and cygwin64. I also tried different mirror sites. Instead of seeing a line like user@PC~ $, I see a blank screen with a blinking cursor. The properties of ...
1
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27 views

bash Segfault by infinite recursion

I just noticed that the bash I'm using (4.2.25(1)) isn't protected against infinite function recursion. In such a case a Segfault happens (and the bash process terminates). To check this on your ...
1
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0answers
17 views

Grep from Log & Calculate then alert

I have a log file, which has the below lines in it. I need a bash script, which takes the values in Bold (4092.1M / 20.1G) & do the math & then alert from Zabbix [Eden: ...
1
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0answers
22 views

Bash partial glob expansion

I have a question similar to this one, but different: I want bash to use a glob expansion in auto-completion, if possible. For example, I would like $ ls *2.<TAB> To give me: $ ls mydoc2. ...
1
vote
0answers
47 views

Gnu screen, using the exec command in .screenrc

I have added the following lines to my .screenrc bind -c music u exec amixer sset Master,0 5+ >& /dev/null bind -c music d exec amixer sset Master,0 5- >& /dev/null bind -c music t exec ...
1
vote
0answers
30 views

Top -l returning always 0.0 CPU usage when requesting single PID

On Mac OS X 10.9 (Mavericks) & 10.10 Yosemite I’m unable to get the correct CPU usage for a single process using the top -l command for example top -l 1 -ncols 3 -pid <pid> Even though I ...
1
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0answers
88 views

Pacmd dynamic range compression Ubuntu 14.04

I used the answer at the link below to successfully set Dynamic Range Compression on my Ubuntu media box running Ubuntu 14.04 (SteamOS session, so no Ubuntu desktop session available). Realtime sound ...
1
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0answers
125 views

PuttyCyg not starting correctly: “Must be connected to a terminal” error message

My computer is running Windows 7 SP1 64 bits with CygWin 64 bits installed and updated (as for 16-Nov-2014). I need to run the screen program of CygWin in a text console. I am trying PuttyCyg, a ...
1
vote
0answers
37 views

What triggers dropbox on fedora to upload files?

I am writing a computer simulation on a Fedora system, but wants to postprocess the data using MATLAB on a windows installation. My method for transferring files is Dropbox since the two computers are ...
1
vote
0answers
168 views

How to remove file when over quota without root permissions and truncate, dd, mv, cp, and rm fail?

I'm working on a file system where I don't have root permissions and all of the above have failed to allow me to delete a file with the same errors: $ >file1 $ -bash: file1: Disk quota exceeded $ ...
1
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0answers
216 views

smbclient fails silently to copy file in bash script

I have the following script: #!/bin/sh BACKUP=/respaldoBD NOW=$(date +"%d_%m_%Y") SMBCLIENT="$(which smbclient)" DBS="zabbix" for db in $DBS do FILE="mysql_$db.$NOW.gz" echo $FILE PARM="prompt; ...
1
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0answers
62 views

popd and pushd behavior with “-n” option

I've been experimenting with pushd and popd in bash (Cygwin, man page says "GNU bash 4.1") and the man page doesn't quite seem to match the behavior. For pushd, the command % pushd +1 both ...
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0answers
49 views

Recursive search occurs instead of last command when using up arrow.

I'm using an internal product "shell" based on spring shell. When I press the up arrow to get my last command, instead I get (reverse-i-search)`': Retrieving the last command works for all my ...
1
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0answers
80 views

Dtrace shows posix_spawn called with only 3 argument. Trying to launch by hand

I ran dtruss on a process that launches another one: the League of Legends Launcher starts the main game process with certain arguments that I can't seem to pass via the command line. What caught my ...
1
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0answers
20 views

Reusing _kill completion in .bashrc fails

I'm trying to extend bash completion alias perf-connect-process="perf record -p"; alias pperf=perf-connect-process; complete -F _kill perf-connect-process; complete -F _kill pperf; by reusing the ...
1
vote
0answers
58 views

Edit text file contain unknown format

I have a text file when I open it with gedit warn me: and when I open with emacs: I have another file with this character and I want to remove this character from that file with a bash script.
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0answers
327 views

OSX OSX Mavericks: Cannot login: Corrupt password file: Recovery mode bash not working for resetpassword script

Running OSX Mavericks on Macbook Air SDD disk. The system has corrupted the password file so none of my six identities can log in - password invalid. Following discussions and tests with apple ...
1
vote
0answers
150 views

File or folder not found error, but the file exists

I downloaded the android ADT bundle for Linux(my distro is Elementary OS), and after I unzipped it, I opened the folder sdk/platform-tools on terminal, and tried running the adb file. When running the ...
1
vote
0answers
106 views

How to open a local file with a query string appended to it in the default browser?

I want to do something like this from a shell script: $ open 'foo.html?foo=bar' Sadly that fails, as it looks for a file named foo.html?foo=bar instead of foo.html before opening the browser: The ...